Johannes de Sacro Bosco: Sphaera mundi.

Commentary by Petrus de Alliaco and Petrus Sanchez Cirvelus.   Add:  Petrus Sanchez Cirvelus:  Dialogus disputatorius in additiones opusculi de sphaera mundi.

Paris:  Guy Marchant, for Jean Petit, Feb. 1498.
Fol.   a-k8 l-m6 n8.   [100] leaves.
Woodcuts;  woodcut borders;  woodcut diagrams;  woodcut printer’s device.
ISTC ij00418000;  GW M14614;  Goff J418;  Polain(B) 2305, 2305A;  BMC VIII 64 (IB. 39702);  Bod-inc J-187.

GIP number: J24
Shelf-mark: Sp Coll Bh8-e.1 (see main library entry for this item)
Variants: Device of Jean Petit on a1r, not that of Guy Marchant;  a3r, line 2:  “... Inclita ...” not as in Polain 2035 “... Inclyta ...”;  a6v, line 2:  “... interſertis. ...” as in Polain 2035, not as in BMC “... insertis. ...”;  a6v, line 5:  “... tractatum ...” as in BMC, not as in Polain 2035 “... tratatum ...”;  seven-line colophon on n4r as in Polain 2305, not as in Polain 2305A and BMC - but with two divergences:  line 2 ends with the full word “... ↄmentario” not “... ↄmenta||rio ...”, and line 6 reads “... in campo ...” not “... sin campo ...”;  n8r, line 14:  “... Cetera...” not as in Polain 2305 “... Cereta ...”
Bound with: The first of two items bound together.   Bound with Jacobus Faber Stapulensis, Introductorium astronomicum.  Paris:  Henri Estienne, 1517.
Provenance: Pecoul (16th/17th century), France, possible owner:  inscription “Pecoul” on I4v (the final page) of second item in volume.
Robert Simson (1687-1768), Professor of Mathematics, University of Glasgow:  source unknown.
University of Glasgow:  Simson bequest, 1768;  shelfmark “BR.6.2” on University of Glasgow Library bookplate matching entry in A. Arthur, Catalogus impressorum librorum in Bibliotheca Universitatis Glasguensis secundum literarum ordinem dispositus (Glasguae:  1791), where the provenance is identified as “Sims.”
Binding: 18th-century sheep, rebacked in the 20th century;  red-edged leaves;  front free endpaper has a watermark of a fleur-de-lys on a base of five circles;  rear free endpaper has watermark of a chalice on a four-footed base containing the initials “I D”.   Size:  292 x 205 mm.
Leaf size: 286 x 200 mm.
Annotations: In margin of a1r (title-page) a cropped annotation referring to the author of the commentary “Petri Ciruelli Com[...]”;  final line of text on n2r deleted;  17th/18th-century shelfmark on front pastedown (partially obscured by bookplate) beginning “P.f. [...]”.
Decoration: None.
Imperfections: None.

Woodcut illustration in Johannes de Sacro Bosco: Sphaera mundi